It looks like Mac OS X 10.4 Tiger is not exempt from the issues that plague the launch of new operating systems. Reports are a buzz on the Net about Tiger issues with certain Firewire hard drives and compatability with existing software.
We have every confidence that Apple will iron out these birth pains but here’s a good page to look at to check out the current Tiger compatability issues before deciding to take the plunge on upgrading your exisiting Mac OS X 10.3 Panther operating system.
This becomes especially cogent if you are running Mac systems that host mission critical data or functions.